
6
KDC-MP738U/W7541U
/W7541UY/X792/X8009U
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM MICROCOMPUTER 30624MGPB77GP (X34: IC500)
Pin No.
Pin Name
I/O
Application
Truth
Value Table
Processing / Operation / Description
1
WIRED_REMO
I
Remote controller input
Pulse width detection
2
RDS_QUAL
I
RDS decoder QUAL input terminal
2
NC
O
Not used. (In models without RDS)
Output L
fi
xed
3
S_SYS_DATA
O
System
μ
-com
→
SOC data
400k
4
S_SOC_DATA
I
SOC
→
System
μ
-com data
400k
5
S_SOC_CLK
I
Host is SOC. CLK from SOC
400k
6
BYTE
7
CNVSS
8
XCIN
32,768Hz
9
XCOUT
32,768Hz
10
RESET
11
XOUT
12MHz
12
VSS
13
XIN
12MHz
14
VCC1
15
NMI
I
Not used
16
RDS_CLK
I
RDS clock input terminal
16
NC
O
Not used. (In models without RDS)
Output L
fi
xed
17
FLIP_DET
I
FLIP panel open detection
H: Open, L: Close
Shut down power to panel system in synchronous
with opening the panel. Audio shall be kept on
18
SRC_KEY
I
Source key input
H: OFF, L: ON
19
RDS_DATA
I
RDS decoder DATA input terminal
19
NC
O
Not used. (In models without RDS)
Output L
fi
xed
20
PANEL_SW_DET
I
FLIP panel detach detection
H: Panel attached, L: Panel detached
Enter PowOFF condition simultaneously with
detection
21
EJECT_KEY
I
Eject key input
H: OFF, L: ON
22
PANRST
O
Panel reset terminal
H: Normal, L: Reset
23
DSI (EJECT_ILL)
I/O DSI control terminal
L: Turns on, Hi-Z: Turns off
24
NC
O
Not used (SW_REG frequency setup terminal 2)
Output L
fi
xed
25
F_SEL1
I/O SW_REG frequency setup terminal 1
t
H: For AM, Hi-Z: For other than AM
26
PWIC_BEEP
O
Beep output
2kHz 1kHz
27
TUN_SCL
I/O F/E I2C clock input/output terminal
MAX 400k
28
TUN_SDA
I/O F/E I2C data input/output terminal
MAX 400k
29
PAN_SYS_DATA
O
System
μ
-com
→
Panel data
UART MAX500k
30
PAN_PAN_DATA
I
Panel
→
System
μ
-com data
UART MAX500k
31
PAN_SYS_REQ
O
System
μ
-com
→
Panel communication request
32
PAN_PAN_REQ
I
Panel
→
System
μ
-com communication request
33,34
NC
O
Not used
Output L
fi
xed